Upper left, a pocket gopher digging a burrow; lower left, a closed pocket gopher burrow showing “fan” of soil pushed upward in photo, burrow “plug” is at the center; lower right, a wire type gopher trap; and, upper right, a dead pocket gopher showing “pockets” used to move soil and carry food. (Photo of pockets, Dave Powell, USDA Forest Service; and Jeff Schalau, University of Arizona — all other photos)